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The C37.118 Master driver allows the simulator to connect to one or many Phasor Measurements Units (PMUs), typically operating as C37.118 Slaves to stream phasor data. The simulator connects with the PMU, requests the configuration and sends a command to begin the data transmission. The received data is available for computation and analysis within the simulation model. The C37.118 communication protocol has been implemented according to the IEEE Std C37.118.2-2011 standard. Three communication protocols are supported: TCP only, UDP only or TCP/UDP.
C37.118 is the IEEE Standard for Synchrophasor Measurements for Power Systems, which defines synchrophasors, frequency, and rate of change of frequency (ROCOF) measurement under all operating conditions. It specifies methods for evaluating these measurements and requirements for compliance with the standard under both steady-state and dynamic conditions.

Platform Compatibility

Product Selection Guide

C37.118 Master requires software license OP3272, which comes with 50 data points (Visit this website more information on data points). If additional data points are required, then they may be added via product OP3050. 

Since real-time simulators come with one available ethernet port, if additional physical ethernet ports are required on the real-time simulator, these can be added via kit. Note that for applications requiring many ethernet ports, the OP4510 platform is not recommended.

C37.118 Master can be added to real-time simulators without the need of additional hardware but a time synchronization modules to maintain high-precision synch and time stamping may be required depending on the application. For more information on precision timing, please visit the following page.

TypeProduct Number(s)OptionalDescriptionSimulator CompatibilityAdditional requirement(s)

Driver - C37.118 Master communication protocol for PMU interface and synchrophasor communication - 50 data points included. Additional data points may be added with the OP3050 product.

SoftwareOP3050-1000, OP3050-5000, OP3050-30000

License for additional I/O data points for Ethernet-based communication protocols. 1000, 5000 or 30000 (unlimited) data points may be added.

Add-on moduleOP3821

Dual-port PCI-E X1 Gigabit Ethernet Kit for OP4510 Real-Time Simulators. Can be added if more physical ethernet ports are required for Modbus TCP.

OP4510 requires its PCIe slot to be available
Add-on moduleI350T4V2BLK

Intel I350T4V2 Quad Port Ethernet Server Adapter 10/100/1000 Mbps. Can be added if more physical ethernet ports are required for Modbus TCP. 

Open PCIe slot required
Add-on module: Precision timingSee Precision Timing page

Time synchronization kit with 0.1 ppm oscillator. Supports IRIG-B, 1PPS, IEEE1588

For more information, including a full list of Precision Timing modules visit the following site.

Requires available slots. Note that OP4510 can only fit one add-on module.
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